2012 London Olympics — Day 13

Australian centre Lauren Jackson jumps to score against the US during the London 2012 Olympic Games women's semifinal basketball match bewteen Australia and the US in London on August 9, 2012. (Photo credit should read EMMANUEL DUNAND/AFP/GettyImages)

Olympics Day 13 - Volleyball

South Korea's players react after the Women's semifinal volleyball match between South Korea and the US in the 2012 London Olympic Games in London on August 9, 2012. (Photo credit should read KIRILL KUDRYAVTSEV/AFP/GettyImages)

Olympics Day 13

US supporter Heidi Miller celebrates her team's victory in the Women's semifinal volleyball match between South Korea and the US in the 2012 London Olympic Games in London on August 9, 2012. (Photo credit should read KIRILL KUDRYAVTSEV/AFP/GettyImages)

Olympics Day 13 - Volleyball

Team United States celebrates after defeating Korea during the Women's Volleyball semifinal match on Day 13 of the London 2012 Olympics Games at Earls Court on August 9, 2012 in London, England. (Photo by Elsa/Getty Images)

Olympics Day 13 - Volleyball

Destinee Hooker #19, Tamari Miyashiro #5, Logan Tom #15 and Jordan Larson #10 of United States celebrates after defeating Korea in the Women's Volleyball semifinal match on Day 13 of the London 2012 Olympics Games at Earls Court on August 9, 2012 in London, England. (Photo by Elsa/Getty Images)

Olympics Day 13 - Cycling - BMX

Nicholas Long of the United States leads the field during the Men's BMX Cycling Quarter Finals on Day 13 of the London 2012 Olympic Games at BMX Track on August 9, 2012 in London, England. (Photo by Phil Walter/Getty Images)

Olympics Day 13 - Gymnastics - Rhythmic

Julie Zetlin of USA performs during the Rhythmic Gymnastics qualification on Day 13 of the London 2012 Olympics Games at Wembley Arena on August 9, 2012 in London, England. (Photo by Julian Finney/Getty Images)

Olympics Day 13 - Cycling - BMX

Liam Phillips (L) of Great Britain and Connor Fields of the United States race through the course during the Men's BMX Cycling Quarter Finals on Day 13 of the London 2012 Olympic Games at BMX Track on August 9, 2012 in London, England. (Photo by Bryn Lennon/Getty Images)

Olympics Day 13 - Gymnastics - Rhythmic

Julie Zetlin of the United States competes in the Individual All-Around Gymnastics Rhythmic on Day 13 of the London 2012 Olympics Games at Wembley Arena on August 9, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 13 - Swimming

Haley Anderson of the United States goes for a drink as she competes in the Women's Marathon 10km Swimming at Hyde Park on August 9, 2012 in London, England. (Photo by Ryan Pierse/Getty Images)

Olympics Day 13 - Swimming

Eva Risztov of Hungary celebrates after winning the gold medal alongside silver medalist Haley Anderson of the United States in the Women's Marathon 10km Swimming at Hyde Park on August 9, 2012 in London, England. (Photo by Clive Rose/Getty Images)

Olympics Day 13 - Wrestling

Ali Sue Bernard of the United States (red) and Anna Jenny Fransson of Sweden compete in the Women's Freestyle 72 kg Wrestling on Day 13 of the London 2012 Olympic Games at ExCeL on August 9, 2012 in London, England. (Photo by Quinn Rooney/Getty Images)

Olympics Day 13 - Athletics

Trey Hardee of the United States competes during the Men's Decathlon Discus Throw on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Pawel Kopczynski - IOPP Pool /Getty Images)

Olympics Day 13 - Athletics

(L-R) Bryshon Nellum of the United States and Chris Brown of the Bahamas cross the finish line during the Men's 4 x 400m Relay Round 1 heats on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Streeter Lecka/Getty Images)

Olympics Day 13 - Athletics

Joshua Mance of the United States passes the baton to Tony McQuay of the United States during the Men's 4 x 400m Relay Round 1 heats on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Streeter Lecka/Getty Images)

Olympics Day 13 - Taekwondo

Yuzhuo Hou of China celebrates beating Diana Lopez of the United States of America during the Preliminary Round Women's -57kg Taekwondo match on Day 13 of the London 2012 Olympic Games at ExCeL on August 9, 2012 in London, England. (Photo by Hannah Johnston/Getty Images)

Olympics Day 13 - Swimming

Haley Anderson of the United States prepares to compete in the Women's Marathon 10km Swimming at Hyde Park on August 9, 2012 in London, England. (Photo by Clive Rose/Getty Images)

Olympics Day 13 - Diving

Brittany Viola of the United States competes in the Women's 10m Platform Diving Semifinal on Day 13 of the London 2012 Olympic Games at the Aquatics Centre on August 9, 2012 in London, England. (Photo by Adam Pretty/Getty Images)

Olympics Day 13 - Diving

US Katie Bell competes in the women's 10m platform semi-finals during the diving event at the London 2012 Olympic Games on August 9, 2012 in London. (Photo credit should read MARTIN BUREAU/AFP/GettyImages)

Olympics Day 13 - Athletics

Trey Hardee of the United States competes during the Men's Decathlon Discus Throw on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

Olympics Day 13 - Athletics

Chaunte Lowe of the United States competes during the Women's High Jump qualification on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Rob Carr/Getty Images)

Olympics Day 13 - Athletics

Ashton Eaton of the United States competes during the Men's Decathlon 110m Hurdles heats on Day 13 of the London 2012 Olympic Games at Olympic Stadium on August 9, 2012 in London, England. (Photo by Streeter Lecka/Getty Images)

Olympics Day 13 - Decathlon

US' Ashton Eaton (L) and US's Trey Hardee compete in the men's decathlon 110m hurdles heats at the athletics event during the London 2012 Olympic Games on August 9, 2012 in London. (Photo credit should read FRANCK FIFE/AFP/GettyImages)